Home / 31,516.02-47,274.51-9,331.64

Finding the Fourth Proportional to 31,516.02, 47,274.51 and 9,331.64

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Solution

The fourth proportional to 31,516.02, 47,274.51 and 9,331.64 is: 13,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,516.02 : 47,274.51 = 9,331.64 : x
  2. Step 2: Convert to fraction form
    31,516.02/47,274.51 = 9,331.64/x
  3. Step 3: Cross multiply
    31,516.02x = 47,274.51 × 9,331.64
  4. Step 4: Simplify right side
    31,516.02x = 441,148,708.50
  5. Step 5: Solve for x
    x = 441,148,708.50/31,516.02
  6. Step 6: Final answer
    x = 13,997.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.